1 // Auto-generated file. Do not edit!
2 // Template: src/f32-velu/sse-rr2-lut16-p3.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9
10 #include <assert.h>
11
12 #include <emmintrin.h>
13
14 #include <xnnpack/vunary.h>
15 #include <xnnpack/common.h>
16
17
18 extern XNN_INTERNAL const float xnn_table_exp2minus_k_over_16[16];
19
xnn_f32_velu_ukernel__sse2_rr2_lut16_p3_x20(size_t n,const float * x,float * y,const union xnn_f32_elu_params params[restrict XNN_MIN_ELEMENTS (1)])20 void xnn_f32_velu_ukernel__sse2_rr2_lut16_p3_x20(
21 size_t n,
22 const float* x,
23 float* y,
24 const union xnn_f32_elu_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
25 {
26 assert(n != 0);
27 assert(n % sizeof(float) == 0);
28 assert(x != NULL);
29 assert(y != NULL);
30
31 const __m128 vprescale = _mm_load_ps(params->sse.prescale);
32 const __m128 valpha = _mm_load_ps(params->sse.alpha);
33 const __m128 vbeta = _mm_load_ps(params->sse.beta);
34
35 const __m128 vsat_cutoff = _mm_set1_ps(-0x1.154246p+4f);
36 const __m128 vmagic_bias = _mm_set1_ps(0x1.800000p19f);
37 const __m128 vlog2e = _mm_set1_ps(0x1.715476p+0f);
38 const __m128i vindex_mask = _mm_set1_epi32(0xF);
39 const __m128 vminus_ln2_hi = _mm_set1_ps(-0x1.62E400p-1f);
40 const __m128 vminus_ln2_lo = _mm_set1_ps(-0x1.7F7D1Cp-20f);
41 const __m128 vc3 = _mm_set1_ps(0x1.55561Cp-3f);
42 const __m128 vc2 = _mm_set1_ps(0x1.0001ECp-1f);
43 const __m128 vone = _mm_set1_ps(1.0f);
44
45 for (; n >= 20 * sizeof(float); n -= 20 * sizeof(float)) {
46 __m128 vx0123 = _mm_loadu_ps(x);
47 __m128 vx4567 = _mm_loadu_ps(x + 4);
48 __m128 vx89AB = _mm_loadu_ps(x + 8);
49 __m128 vxCDEF = _mm_loadu_ps(x + 12);
50 __m128 vxGHIJ = _mm_loadu_ps(x + 16);
51 x += 20;
52
53 const __m128 vz0123 = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx0123, vprescale));
54 const __m128 vz4567 = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx4567, vprescale));
55 const __m128 vz89AB = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx89AB, vprescale));
56 const __m128 vzCDEF = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vxCDEF, vprescale));
57 const __m128 vzGHIJ = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vxGHIJ, vprescale));
58
59 __m128 vn0123 = _mm_add_ps(_mm_mul_ps(vz0123, vlog2e), vmagic_bias);
60 __m128 vn4567 = _mm_add_ps(_mm_mul_ps(vz4567, vlog2e), vmagic_bias);
61 __m128 vn89AB = _mm_add_ps(_mm_mul_ps(vz89AB, vlog2e), vmagic_bias);
62 __m128 vnCDEF = _mm_add_ps(_mm_mul_ps(vzCDEF, vlog2e), vmagic_bias);
63 __m128 vnGHIJ = _mm_add_ps(_mm_mul_ps(vzGHIJ, vlog2e), vmagic_bias);
64
65 const __m128i vidx0123 = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn0123), vindex_mask), 2);
66 const __m128i ven0123 = _mm_slli_epi32(_mm_castps_si128(vn0123), 19);
67 const __m128i vidx4567 = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn4567), vindex_mask), 2);
68 const __m128i ven4567 = _mm_slli_epi32(_mm_castps_si128(vn4567), 19);
69 const __m128i vidx89AB = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn89AB), vindex_mask), 2);
70 const __m128i ven89AB = _mm_slli_epi32(_mm_castps_si128(vn89AB), 19);
71 const __m128i vidxCDEF = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vnCDEF), vindex_mask), 2);
72 const __m128i venCDEF = _mm_slli_epi32(_mm_castps_si128(vnCDEF), 19);
73 const __m128i vidxGHIJ = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vnGHIJ), vindex_mask), 2);
74 const __m128i venGHIJ = _mm_slli_epi32(_mm_castps_si128(vnGHIJ), 19);
75
76 #if XNN_ARCH_X86_64
77 const uint64_t vidx01 = (uint64_t) _mm_cvtsi128_si64(vidx0123);
78 const uint64_t vidx23 = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx0123, vidx0123));
79 const __m128i vl0 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx01)));
80 const __m128i vl2 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx23)));
81 const __m128i vl1 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx01 >> 32))));
82 const __m128i vl01 = _mm_unpacklo_epi32(vl0, vl1);
83 const __m128i vl3 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx23 >> 32))));
84 const __m128i vl23 = _mm_unpacklo_epi32(vl2, vl3);
85 const __m128i vl0123 = _mm_unpacklo_epi64(vl01, vl23);
86 const uint64_t vidx45 = (uint64_t) _mm_cvtsi128_si64(vidx4567);
87 const uint64_t vidx67 = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx4567, vidx4567));
88 const __m128i vl4 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx45)));
89 const __m128i vl6 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx67)));
90 const __m128i vl5 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx45 >> 32))));
91 const __m128i vl45 = _mm_unpacklo_epi32(vl4, vl5);
92 const __m128i vl7 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx67 >> 32))));
93 const __m128i vl67 = _mm_unpacklo_epi32(vl6, vl7);
94 const __m128i vl4567 = _mm_unpacklo_epi64(vl45, vl67);
95 const uint64_t vidx89 = (uint64_t) _mm_cvtsi128_si64(vidx89AB);
96 const uint64_t vidxAB = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx89AB, vidx89AB));
97 const __m128i vl8 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx89)));
98 const __m128i vlA = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxAB)));
99 const __m128i vl9 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx89 >> 32))));
100 const __m128i vl89 = _mm_unpacklo_epi32(vl8, vl9);
101 const __m128i vlB = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxAB >> 32))));
102 const __m128i vlAB = _mm_unpacklo_epi32(vlA, vlB);
103 const __m128i vl89AB = _mm_unpacklo_epi64(vl89, vlAB);
104 const uint64_t vidxCD = (uint64_t) _mm_cvtsi128_si64(vidxCDEF);
105 const uint64_t vidxEF = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidxCDEF, vidxCDEF));
106 const __m128i vlC = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxCD)));
107 const __m128i vlE = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxEF)));
108 const __m128i vlD = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxCD >> 32))));
109 const __m128i vlCD = _mm_unpacklo_epi32(vlC, vlD);
110 const __m128i vlF = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxEF >> 32))));
111 const __m128i vlEF = _mm_unpacklo_epi32(vlE, vlF);
112 const __m128i vlCDEF = _mm_unpacklo_epi64(vlCD, vlEF);
113 const uint64_t vidxGH = (uint64_t) _mm_cvtsi128_si64(vidxGHIJ);
114 const uint64_t vidxIJ = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidxGHIJ, vidxGHIJ));
115 const __m128i vlG = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxGH)));
116 const __m128i vlI = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxIJ)));
117 const __m128i vlH = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxGH >> 32))));
118 const __m128i vlGH = _mm_unpacklo_epi32(vlG, vlH);
119 const __m128i vlJ = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxIJ >> 32))));
120 const __m128i vlIJ = _mm_unpacklo_epi32(vlI, vlJ);
121 const __m128i vlGHIJ = _mm_unpacklo_epi64(vlGH, vlIJ);
122 #else // !XNN_ARCH_X86_64
123 const uint32_t vidx0 = (uint32_t) _mm_cvtsi128_si32(vidx0123);
124 const uint32_t vidx1 = (uint32_t) _mm_extract_epi16(vidx0123, 2);
125 const uint32_t vidx2 = (uint32_t) _mm_extract_epi16(vidx0123, 4);
126 const uint32_t vidx3 = (uint32_t) _mm_extract_epi16(vidx0123, 6);
127 const __m128i vl0 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx0)));
128 const __m128i vl2 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx2)));
129 const __m128i vl1 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx1)));
130 const __m128i vl01 = _mm_unpacklo_epi32(vl0, vl1);
131 const __m128i vl3 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx3)));
132 const __m128i vl23 = _mm_unpacklo_epi32(vl2, vl3);
133 const __m128i vl0123 = _mm_unpacklo_epi64(vl01, vl23);
134 const uint32_t vidx4 = (uint32_t) _mm_cvtsi128_si32(vidx4567);
135 const uint32_t vidx5 = (uint32_t) _mm_extract_epi16(vidx4567, 2);
136 const uint32_t vidx6 = (uint32_t) _mm_extract_epi16(vidx4567, 4);
137 const uint32_t vidx7 = (uint32_t) _mm_extract_epi16(vidx4567, 6);
138 const __m128i vl4 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx4)));
139 const __m128i vl6 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx6)));
140 const __m128i vl5 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx5)));
141 const __m128i vl45 = _mm_unpacklo_epi32(vl4, vl5);
142 const __m128i vl7 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx7)));
143 const __m128i vl67 = _mm_unpacklo_epi32(vl6, vl7);
144 const __m128i vl4567 = _mm_unpacklo_epi64(vl45, vl67);
145 const uint32_t vidx8 = (uint32_t) _mm_cvtsi128_si32(vidx89AB);
146 const uint32_t vidx9 = (uint32_t) _mm_extract_epi16(vidx89AB, 2);
147 const uint32_t vidxA = (uint32_t) _mm_extract_epi16(vidx89AB, 4);
148 const uint32_t vidxB = (uint32_t) _mm_extract_epi16(vidx89AB, 6);
149 const __m128i vl8 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx8)));
150 const __m128i vlA = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxA)));
151 const __m128i vl9 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx9)));
152 const __m128i vl89 = _mm_unpacklo_epi32(vl8, vl9);
153 const __m128i vlB = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxB)));
154 const __m128i vlAB = _mm_unpacklo_epi32(vlA, vlB);
155 const __m128i vl89AB = _mm_unpacklo_epi64(vl89, vlAB);
156 const uint32_t vidxC = (uint32_t) _mm_cvtsi128_si32(vidxCDEF);
157 const uint32_t vidxD = (uint32_t) _mm_extract_epi16(vidxCDEF, 2);
158 const uint32_t vidxE = (uint32_t) _mm_extract_epi16(vidxCDEF, 4);
159 const uint32_t vidxF = (uint32_t) _mm_extract_epi16(vidxCDEF, 6);
160 const __m128i vlC = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxC)));
161 const __m128i vlE = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxE)));
162 const __m128i vlD = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxD)));
163 const __m128i vlCD = _mm_unpacklo_epi32(vlC, vlD);
164 const __m128i vlF = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxF)));
165 const __m128i vlEF = _mm_unpacklo_epi32(vlE, vlF);
166 const __m128i vlCDEF = _mm_unpacklo_epi64(vlCD, vlEF);
167 const uint32_t vidxG = (uint32_t) _mm_cvtsi128_si32(vidxGHIJ);
168 const uint32_t vidxH = (uint32_t) _mm_extract_epi16(vidxGHIJ, 2);
169 const uint32_t vidxI = (uint32_t) _mm_extract_epi16(vidxGHIJ, 4);
170 const uint32_t vidxJ = (uint32_t) _mm_extract_epi16(vidxGHIJ, 6);
171 const __m128i vlG = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxG)));
172 const __m128i vlI = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxI)));
173 const __m128i vlH = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxH)));
174 const __m128i vlGH = _mm_unpacklo_epi32(vlG, vlH);
175 const __m128i vlJ = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxJ)));
176 const __m128i vlIJ = _mm_unpacklo_epi32(vlI, vlJ);
177 const __m128i vlGHIJ = _mm_unpacklo_epi64(vlGH, vlIJ);
178 #endif // XNN_ARCH_X86_64
179
180 vn0123 = _mm_sub_ps(vn0123, vmagic_bias);
181 __m128 vs0123 = _mm_castsi128_ps(_mm_add_epi32(vl0123, ven0123));
182 vn4567 = _mm_sub_ps(vn4567, vmagic_bias);
183 __m128 vs4567 = _mm_castsi128_ps(_mm_add_epi32(vl4567, ven4567));
184 vn89AB = _mm_sub_ps(vn89AB, vmagic_bias);
185 __m128 vs89AB = _mm_castsi128_ps(_mm_add_epi32(vl89AB, ven89AB));
186 vnCDEF = _mm_sub_ps(vnCDEF, vmagic_bias);
187 __m128 vsCDEF = _mm_castsi128_ps(_mm_add_epi32(vlCDEF, venCDEF));
188 vnGHIJ = _mm_sub_ps(vnGHIJ, vmagic_bias);
189 __m128 vsGHIJ = _mm_castsi128_ps(_mm_add_epi32(vlGHIJ, venGHIJ));
190
191 __m128 vt0123 = _mm_add_ps(_mm_mul_ps(vn0123, vminus_ln2_hi), vz0123);
192 __m128 vt4567 = _mm_add_ps(_mm_mul_ps(vn4567, vminus_ln2_hi), vz4567);
193 __m128 vt89AB = _mm_add_ps(_mm_mul_ps(vn89AB, vminus_ln2_hi), vz89AB);
194 __m128 vtCDEF = _mm_add_ps(_mm_mul_ps(vnCDEF, vminus_ln2_hi), vzCDEF);
195 __m128 vtGHIJ = _mm_add_ps(_mm_mul_ps(vnGHIJ, vminus_ln2_hi), vzGHIJ);
196
197 vt0123 = _mm_add_ps(_mm_mul_ps(vn0123, vminus_ln2_lo), vt0123);
198 vt4567 = _mm_add_ps(_mm_mul_ps(vn4567, vminus_ln2_lo), vt4567);
199 vt89AB = _mm_add_ps(_mm_mul_ps(vn89AB, vminus_ln2_lo), vt89AB);
200 vtCDEF = _mm_add_ps(_mm_mul_ps(vnCDEF, vminus_ln2_lo), vtCDEF);
201 vtGHIJ = _mm_add_ps(_mm_mul_ps(vnGHIJ, vminus_ln2_lo), vtGHIJ);
202
203 __m128 vp0123 = _mm_add_ps(_mm_mul_ps(vc3, vt0123), vc2);
204 __m128 vp4567 = _mm_add_ps(_mm_mul_ps(vc3, vt4567), vc2);
205 __m128 vp89AB = _mm_add_ps(_mm_mul_ps(vc3, vt89AB), vc2);
206 __m128 vpCDEF = _mm_add_ps(_mm_mul_ps(vc3, vtCDEF), vc2);
207 __m128 vpGHIJ = _mm_add_ps(_mm_mul_ps(vc3, vtGHIJ), vc2);
208
209 vp0123 = _mm_mul_ps(vp0123, vt0123);
210 vp4567 = _mm_mul_ps(vp4567, vt4567);
211 vp89AB = _mm_mul_ps(vp89AB, vt89AB);
212 vpCDEF = _mm_mul_ps(vpCDEF, vtCDEF);
213 vpGHIJ = _mm_mul_ps(vpGHIJ, vtGHIJ);
214
215 vt0123 = _mm_mul_ps(vt0123, vs0123);
216 vs0123 = _mm_sub_ps(vs0123, vone);
217 vt4567 = _mm_mul_ps(vt4567, vs4567);
218 vs4567 = _mm_sub_ps(vs4567, vone);
219 vt89AB = _mm_mul_ps(vt89AB, vs89AB);
220 vs89AB = _mm_sub_ps(vs89AB, vone);
221 vtCDEF = _mm_mul_ps(vtCDEF, vsCDEF);
222 vsCDEF = _mm_sub_ps(vsCDEF, vone);
223 vtGHIJ = _mm_mul_ps(vtGHIJ, vsGHIJ);
224 vsGHIJ = _mm_sub_ps(vsGHIJ, vone);
225
226 vp0123 = _mm_add_ps(_mm_mul_ps(vp0123, vt0123), vt0123);
227 vp4567 = _mm_add_ps(_mm_mul_ps(vp4567, vt4567), vt4567);
228 vp89AB = _mm_add_ps(_mm_mul_ps(vp89AB, vt89AB), vt89AB);
229 vpCDEF = _mm_add_ps(_mm_mul_ps(vpCDEF, vtCDEF), vtCDEF);
230 vpGHIJ = _mm_add_ps(_mm_mul_ps(vpGHIJ, vtGHIJ), vtGHIJ);
231
232 const __m128 ve0123 = _mm_mul_ps(_mm_add_ps(vp0123, vs0123), valpha);
233 const __m128 ve4567 = _mm_mul_ps(_mm_add_ps(vp4567, vs4567), valpha);
234 const __m128 ve89AB = _mm_mul_ps(_mm_add_ps(vp89AB, vs89AB), valpha);
235 const __m128 veCDEF = _mm_mul_ps(_mm_add_ps(vpCDEF, vsCDEF), valpha);
236 const __m128 veGHIJ = _mm_mul_ps(_mm_add_ps(vpGHIJ, vsGHIJ), valpha);
237
238 const __m128 vm0123 = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx0123)));
239 vx0123 = _mm_mul_ps(vx0123, vbeta);
240 const __m128 vm4567 = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx4567)));
241 vx4567 = _mm_mul_ps(vx4567, vbeta);
242 const __m128 vm89AB = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx89AB)));
243 vx89AB = _mm_mul_ps(vx89AB, vbeta);
244 const __m128 vmCDEF = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vxCDEF)));
245 vxCDEF = _mm_mul_ps(vxCDEF, vbeta);
246 const __m128 vmGHIJ = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vxGHIJ)));
247 vxGHIJ = _mm_mul_ps(vxGHIJ, vbeta);
248
249 const __m128 vy0123 = _mm_or_ps(_mm_and_ps(ve0123, vm0123), _mm_andnot_ps(vm0123, vx0123));
250 const __m128 vy4567 = _mm_or_ps(_mm_and_ps(ve4567, vm4567), _mm_andnot_ps(vm4567, vx4567));
251 const __m128 vy89AB = _mm_or_ps(_mm_and_ps(ve89AB, vm89AB), _mm_andnot_ps(vm89AB, vx89AB));
252 const __m128 vyCDEF = _mm_or_ps(_mm_and_ps(veCDEF, vmCDEF), _mm_andnot_ps(vmCDEF, vxCDEF));
253 const __m128 vyGHIJ = _mm_or_ps(_mm_and_ps(veGHIJ, vmGHIJ), _mm_andnot_ps(vmGHIJ, vxGHIJ));
254
255 _mm_storeu_ps(y, vy0123);
256 _mm_storeu_ps(y + 4, vy4567);
257 _mm_storeu_ps(y + 8, vy89AB);
258 _mm_storeu_ps(y + 12, vyCDEF);
259 _mm_storeu_ps(y + 16, vyGHIJ);
260 y += 20;
261 }
262 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
263 __m128 vx = _mm_loadu_ps(x);
264 x += 4;
265
266 const __m128 vz = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx, vprescale));
267
268 __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias);
269
270 const __m128i ven = _mm_slli_epi32(_mm_castps_si128(vn), 19);
271 const __m128i vidx = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn), vindex_mask), 2);
272 #if XNN_ARCH_X86_64
273 const uint64_t vidx_lo = (uint64_t) _mm_cvtsi128_si64(vidx);
274 const uint64_t vidx_hi = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx, vidx));
275 const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx_lo)));
276 const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx_hi)));
277 const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx_lo >> 32))));
278 const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh);
279 const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx_hi >> 32))));
280 const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh);
281 #else // !XNN_ARCH_X86_64
282 const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_cvtsi128_si32(vidx))));
283 const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 4))));
284 const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 2))));
285 const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh);
286 const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 6))));
287 const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh);
288 #endif // XNN_ARCH_X86_64
289 const __m128i vl = _mm_unpacklo_epi64(vl_lo, vl_hi);
290 __m128 vs = _mm_castsi128_ps(_mm_add_epi32(vl, ven));
291 vn = _mm_sub_ps(vn, vmagic_bias);
292
293 __m128 vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_hi), vz);
294 vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_lo), vt);
295
296 __m128 vp = _mm_add_ps(_mm_mul_ps(vc3, vt), vc2);
297 vp = _mm_mul_ps(vp, vt);
298
299 vt = _mm_mul_ps(vt, vs);
300 vs = _mm_sub_ps(vs, vone);
301 vp = _mm_add_ps(_mm_mul_ps(vp, vt), vt);
302 const __m128 ve = _mm_mul_ps(_mm_add_ps(vp, vs), valpha);
303
304 const __m128 vm = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx)));
305 vx = _mm_mul_ps(vx, vbeta);
306 const __m128 vy = _mm_or_ps(_mm_and_ps(ve, vm), _mm_andnot_ps(vm, vx));
307
308 _mm_storeu_ps(y, vy);
309 y += 4;
310 }
311 if XNN_UNLIKELY(n != 0) {
312 __m128 vx = _mm_loadu_ps(x);
313
314 const __m128 vz = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx, vprescale));
315
316 __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias);
317
318 const __m128i ven = _mm_slli_epi32(_mm_castps_si128(vn), 19);
319 const __m128i vidx = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn), vindex_mask), 2);
320 #if XNN_ARCH_X86_64
321 const uint64_t vidx_lo = (uint64_t) _mm_cvtsi128_si64(vidx);
322 const uint64_t vidx_hi = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx, vidx));
323 const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx_lo)));
324 const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx_hi)));
325 const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx_lo >> 32))));
326 const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh);
327 const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx_hi >> 32))));
328 const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh);
329 #else // !XNN_ARCH_X86_64
330 const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_cvtsi128_si32(vidx))));
331 const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 4))));
332 const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 2))));
333 const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh);
334 const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 6))));
335 const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh);
336 #endif // XNN_ARCH_X86_64
337 const __m128i vl = _mm_unpacklo_epi64(vl_lo, vl_hi);
338 __m128 vs = _mm_castsi128_ps(_mm_add_epi32(vl, ven));
339 vn = _mm_sub_ps(vn, vmagic_bias);
340
341 __m128 vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_hi), vz);
342 vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_lo), vt);
343
344 __m128 vp = _mm_add_ps(_mm_mul_ps(vc3, vt), vc2);
345 vp = _mm_mul_ps(vp, vt);
346
347 vt = _mm_mul_ps(vt, vs);
348 vs = _mm_sub_ps(vs, vone);
349 vp = _mm_add_ps(_mm_mul_ps(vp, vt), vt);
350 const __m128 ve = _mm_mul_ps(_mm_add_ps(vp, vs), valpha);
351
352 const __m128 vm = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx)));
353 vx = _mm_mul_ps(vx, vbeta);
354 __m128 vy = _mm_or_ps(_mm_and_ps(ve, vm), _mm_andnot_ps(vm, vx));
355
356 if (n & (2 * sizeof(float))) {
357 _mm_storel_pi((__m64*) y, vy);
358 vy = _mm_movehl_ps(vy, vy);
359 y += 2;
360 }
361 if (n & (1 * sizeof(float))) {
362 _mm_store_ss(y, vy);
363 }
364 }
365 }
366